HIV pushes the immune system to its limits. Our body's usual antiviral arsenal is coordinated, in part, by immune cells called Helper T cells. But HIV attacks Helper T cells directly, eventually leading to AIDS. This animation shows the cellular and molecular mechanisms employed on both sides of the fight, and how antiretroviral drugs can help swing the balance in our favor.
Brachytherapy has a robust track record as a treatment for prostate cancer. But this treatment seems to be going out of fashion, in favor of more modern, more expensive alternatives. Since evidence suggests that brachytherapy is cost-effective for some patients, many oncologists are keen to make sure it remains an option.WATCH NOW
A team of researchers from the Wyss Institute for Biologically Inspired Engineering, The Broad Institute of Harvard and MIT, Brigham and Women’s Hospital (BWH), and several other collaborating institutions have created a fast, ultrasensitive, multiplexed diagnostic TB test, that could be used in low-resource settings.WATCH NOW